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8 Cards in this Set
- Front
- Back
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Life
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Life is defined as possessing all five of the following features: behaviour (or response), reproduction, excretion, nutrition, organisation
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Behaviour/Response
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Reactions to stimuli. Animal use sense organs and nervous systems to respond to stimuli such as light, sound, smell and taste. Plants respond by changing their growth towards light ect.
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Reproduction
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Production of new individuals.
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Excretion
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Removal of waste products of chemical reactions
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Nutrition
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The way in which organisms obtain and use food.
Plants → photosynthesis Animals → feeding on other organisms |
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Organisation
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Living things are organised into cells.
Cells → tissues → organs → organ systems → individual organisms → populations |
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Metabolism
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The sum of all the chemical reactions in an organism
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Continuity
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Living things arise from other living things
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